DensityPlot[Sin[x]*Sin[y],{x,-4,4},{y,-3,3}]
DensityPlot[Tan[x+y],{x,-2,2},{y,-2,2}]
DensityPlot[Sqrt[x*y],{x,-0.1,1},{y,-0.9,1}]
DensityPlot[Sin[y]*Sin[y-x],{x,0,12.56},{y,0,12.56}]
DensityPlot[1/(x^2+y^2),{x,-1,1},{y,-1,1}]
DensityPlot[1/(x*y),{x,-2,2},{y,-2,2}]
